* {
  margin: 0;
  box-sizing: border-box;
}

#app {
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.channel-nav {
  height: 44px;
  overflow-x: auto;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.channel-nav::-webkit-scrollbar {
  display: none;
}

.channel-nav .list {
  display: flex;
}

.channel-nav .item {
  padding: 0 15px;
  height: 44px;
  text-align: center;
  line-height: 44px;
  text-decoration: none;
  font-size: 14px;
  color: #999;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  transition: all 0.3s;
}

.channel-nav .item::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0px;
  height: 2px;
  border-radius: 1px;
  background-color: coral;
  transform: translateX(-50%);
  transition: all 0.3s;
}

.channel-nav .item.active::after {
  width: 24px;
}

.channel-nav .item.active {
  color: #333;
  font-size: 18px;
}

.article-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 15px;
}

.article-item {
  padding: 15px 0;
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.07);
}

.article-item .title {
  width: 100%;
  margin: 0;
  line-height: 22px;
  font-size: 16px;
  color: #333;
  margin-bottom: 8px;
  max-height: 44px;
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.article-item .img {
  width: 30%;
  height: 74px;
  border-radius: 4px;
  margin-bottom: 8px;
  margin-right: 3%;
}

.article-item .info {
  width: 100%;
  color: #a5a6ab;
  font-size: 12px;
  position: relative;
}

.article-item .info span {
  margin-right: 12px;
}
